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More optimisation

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@28333 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
rfm 2009-06-06 16:04:32 +00:00
parent d125441985
commit 08c9289397
2 changed files with 23 additions and 12 deletions
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1
ChangeLog
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@ -2,6 +2,7 @@
* Source/Additions/Unicode.m: Optimise case where we are converting
from unicode to latin1 or ascii.
* Source/GSString.m: Optimise -hash method of NXConstantString too.
2009-06-06 Wolfgang Lux <wolfgang.lux@gmail.com>

20
Source/GSString.m
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@ -5053,15 +5053,24 @@ NSAssert(_flags.owned == 1 && _zone != 0, NSInternalInconsistencyException);
if (len > 0)
{
const unsigned char *p;
unsigned char_count = 0;
register const unsigned char *p;
register unsigned index = 0;
p = _self->_contents.c;
while (char_count++ < len)
if (internalEncoding == NSISOLatin1StringEncoding)
{
unichar u = *p++;
while (index < len)
{
ret = (ret << 5) + ret + p[index++];
}
}
else
{
while (index < len)
{
unichar u = p[index++];
if (u > 127 && internalEncoding != NSISOLatin1StringEncoding)
if (u > 127)
{
unsigned char c = (unsigned char)u;
unsigned int s = 1;
@ -5071,6 +5080,7 @@ NSAssert(_flags.owned == 1 && _zone != 0, NSInternalInconsistencyException);
}
ret = (ret << 5) + ret + u;
}
}
/*
* The hash caching in our concrete string classes uses zero to denote